diameter: 3175mmCutting edge diameter: 1mm length: 38mmMaterial: metalcolor: Random colorNote: Random color, don't accept the specified color.This set of carbide Milling Cutter is perfect replacements for your CNC machinery, make you enjoy a precise, easy cutting experience.Application:Suitable for processing:PCB, Mould, plasti, carbon fiber, composite board, hard wood... and so on.Safety Instructions:1Razor blades permanently enclosed in a cartridge or housing with less than 2mm of blade exposed.2. The bladed product is not use for people under 18 years.3. The item is only use for industrial cutting/engraving, not hazardous article.Package Contents:10* corn milling cutterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.